First of all, if you do land the interview, then your resume shows that you are qualified for the job. The purpose of the interview is for the hiring manager to meet you and see if you will fit it and get along with the people in his or her department. Chances are you will get the interview through a contract agency. If the angency feels that you are qualified for the job, then they will get you the interview. If you have the education and experience that they are searching for, then you just need to feel confident in yourself that you can get the job offer. The most important thing is to be yourself and not to pretend to be someone that you are not.